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ray_serrano
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NP Chapter 1 Page 39 Exercise 38

by ray_serrano Fri May 08, 2009 12:16 am

How does 18=xy+y becomes 18=y(x+1)
JonathanSchneider
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Re: NP Chapter 1 Page 39 Exercise 38

by JonathanSchneider Fri May 08, 2009 3:09 am

This is just a straightforward factorization. We are pulling out the y value, which is a shared factor of both "xy" and "y."